3. Succinylcholine acts as a depolarizing agent that prevents repolarization of the somatic motor neuron. Thus, no further ACh is released until the drug is cleared. Name another site within the NMJ we could target to prevent muscle contraction, and explain why this would work.

Q: Which of the following sentences is CORRECT? A. Intercalated disc is absent in smooth muscle and…

A: (A) Cardiac muscle exhibits intercalated discs whereas the smooth muscles are in the form of spindle…

Q: In your own words, describe the main events occurring between the arrivalof an action potential at a…

A: The chemical synapse that favors the transmission of the signal from the motor neurons to the muscle…

Q: Describe the 6 step sequence of events that occurs at the NMJ in response to a nerve Action…

A: Steps:- The sarcolemma initiates the action potential. 2)The axon terminal receives the action…

Q: b. When the DHP receptor activates, the sarcoplasmic reticulum membrane becomes less perme to Ca2+…

A: Muscle contraction is a highly coordinated and complex process. it requires thick and thin filaments…

Q: 34. in an experimental study of skeletal muscle function, an isolated muscle strip is electrically…

A: Muscle tension Muscle tension interchangeably called "muscle force" is the amount of force produced…

Q: 4. What effect would pre-synaptic injection of the Ca²+ chelator BAPTA have on a nanodomain vs. a…

A: Nanodomains are small, localized regions of the cell membrane where specific molecular events occur.…

Q: Bank: A. Contraction C. Relaxation B. Myosin filament D. Actin filament C. Endocrine E. Contact…

A: A group of cells that have similar structure and that function together as a unit are known as the…

Q: 7. A severe laceration to a wrist completely severed a major muscle tendon. To suture the ends of…

A: The tension or force applied to a muscle when it is stretched without any active contraction is…

Q: 18. Malathion interferes with the enzyme cholinesterase (found synaptic clefts). When Malathion is…

A: A broad-spectrum insecticide from the chemical family organophosphates used in public recreation…

Q: what of these nerve fiber has action potenital moving toward the central nervous system ?  sensory…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 2. Which one of the following will lead to a state of contractive muscular paralysis? a. the body is…

A: Paralysis is the failure of muscle activity in a part of your body. It occurs when the information…

Q: Discuss the similarities and differences by which Ca2+ activity is involved in initiating muscle…

A: "Muscles" perform various functions as movement, which is the fundamental purpose of muscles is to…

Q: The large muscle protein that essentially "anchors" the thin-filaments to the cell membrane and…

A: The myofibrils are built from three kinds of proteins : Contractile proteins : They generate force…

Q: 147 An investigator is examining the effects of various manipulations on the electrical activity in…

A: Acetylcholine, the predominant excitatory neurotransmitter in mammalian gut smooth muscle cells1, is…

Q: 33. Which of the following sentences is NOT correct? A. Cancellous bone (trabecular) is spongy bone…

A: A bone forms a part of the vertebrate skeleton in animals. They protect the various organs of the…

Q: 8. Assuming two skeletal muscle fibers have the same myosin ATPase activity, and both are producing…

A: Isotonic contraction :- During isotonic contraction of muscle, same tension maintained while the…

Q: 08.

A: Muscle is a specialized tissue derived from mesodermal origin. It contributes about 50percent of the…

Q: 6. You are interested in how the density of NMDA receptors in the postsynaptic membrane prior to…

A: NMDA is the N-Methyl-D-aspartic acid or it is also called N-Methyl-D-aspartate. It is an amino acid…

Q: ted to design a drug that interfered specifically with skeletal muscle, without effecting cardiac or…

A: Drug design regularly alluded to as a rational medication plan or just reasonable plan is the…

Q: *When dynamic y-motor neurons are activated at the same time as a-motor neurons to muscle,

A: When dynamic y—motor neurons are activated at the same time as a—motor neurons to muscle, a prompt…

Q: 9. Which of the following correctly describes the end plate potential (EPP)? A)It is primarily…

A: End plate potentials (EPPs) are the voltages which cause depolarization of the muscle fibers caused…

Q: 1. Which of the following is a possible way to distinguish between muscle types? A) Skeletal muscle…

A: Muscle tissues are densely packed with cells and are well-vascularized; they are responsible for the…

Q: 34- Which of the following sentences is incorrect: a- Muscle fibers and neurons are similar because…

A: there needs a correction in question part. it is saltatory conduction.

Q: 7. Assuming equivalent stimulation of the two pre-synaptic axons in the diagram below, in which of…

A: Neurons communicate by using chemical messengers like serotonin between cells. Serotonin transporter…

Q: 4. Illustrate (draw) what an action potential might look like with the following voltage-gated…

A: In this investigation, we look at how a few voltage-gated channels influence the appearance and…

Q: Select ALL statements that are TRUE regarding a drug that would inactivate the enzyme…

A: A drug that inactivates the enzyme called acetylcholinesterase is known as Acetylcholinesterase…

Q: 2. After the administration of the competitive neuromuscular blocker, first one observed muscles…

A: Muscle relaxants belong to the two categories depolarisers and nondepolarizers. Competitive neuro…

Q: True or False

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Your unfortunate friend Greta has a condition where her Ca2+-ATPase works too fast. She comes to…

A: Calcium ions (Ca2+) play a crucial role in muscle contraction. They are stored in the sarcoplasmic…

Q: 7. Identify each of the following when given images of skeletal muscle fibers such as the ones…

A: The nerve impulses from the axon terminal of motor neuron goes to the skeleton muscles. The junction…

Q: b) Table 2. Contraction in mm of smooth muscle by an agonist in thepresenceof…

A: We need to plot the agonist concentration on the x-axis and the % most extreme impact on the y-axis…

Q: Which of the following sentences is NOT correct? A. Cancellous bone (trabecular) is spongy bone B.…

A: Among the given statements, the final statement seems incomplete. So I am providing solution…

Q: Explain the structure of NMJ and name the steps of muscle stimulation in orde

A: Neuromuscular junction a point between the axon and the muscle fiber. Skeletal muscle contraction is…

Q: 41- Gamma motor neurons: a- Causes contraction of the equatorial region of an intrafusal fiber b-…

A: The mechanism of gamma motor neurons helps in regulating muscle length and tone.

Q: 2 T tubule 3. ATP 4. lateral sacs of the sarcoplasmic (c) supplies energy for the reticulum 5.…

A: Muscle contraction begins when the impulse arrives at a particular muscle which is going to be…

Q: The duration of AP of a nervous fiber takes 1ms, the threshold of depolarization is 20mV. Will the…

A: If on stimulation of axolemma the Na + ions of initial influx are not sufficient to reduce the…

Q: Describe in details the biochemical and mechanochemical series of events that enables motor neurons…

A: Muscle contraction means activation of tension-generating sites within our muscle cells and the…

Q: Which of the following is true concerning the Synapse? a. The post-synaptic membrane possesses…

A: Neurons are the basic structural and functional units of the brain and the central nervous system.…

Q: Acetylcholine-gated cation channels at the neu-romuscular junction open in response to…

A: The term "neurotransmitter" refers to a chemical messenger that binds to receptors on the…

Q: Cardiac and skeletal muscle are both “striated” types of muscle and yet they have very distinct…

A: The skeletal muscles are a part of muscle tissue in the body. They are attached to the bones by the…

Q: Which of the following step(s) about the excitation of skeletal muscle is/are incorrect?   1.…

A: Muscle contraction is an example of a complex biological process. The excitation of skeletal muscle…

Q: Explain the source of the signals detected by the EMG electrodes. 2. Describe the role of Ca2+, Na+,…

A: Electromyography is a technique for measuring muscle reaction or electrical activity in response to…

Q: differentiate the dihydropyridine receptor from ryanodine receptor.

A: Di-hydropyridine receptor-

Q: What do we mean by the somatic motor system? O a. Cardiac muscle O b. The smooth muscles and glands…

A: Introduction :  The group of central and peripheral nervous system elements that support motor…

Q: Provide one difference and one similarity in the process of contraction of smooth, skeletal, and…

A: Muscles are divided into three categories: cardiac, smooth, and skeletal. Cardiac muscle is found in…